package com.servlet.ordinary;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.dao.impl.SubstanceDaoImpl;
import com.po.Substance;

public class ShowIndexContextServlet extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		String ptype = request.getParameter("ptype");
		String scid = request.getParameter("scid");
		String stype = request.getParameter("stype");
		if (ptype.equals("lanmu")) {
			try {
				List<Substance> ls = new SubstanceDaoImpl().findAllByScid(scid);
				request.setAttribute("pageresult", ls);
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}else if (ptype.equals("other")) {
			try {
				List<Substance> ls = new SubstanceDaoImpl().findByStype(stype);
				request.setAttribute("pageresult", ls);
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		request.getRequestDispatcher("/index2.jsp").forward(request, response);
	}

}
